using ApiTools.Core;
using Furion.DatabaseAccessor;
using Mapster;
using MediatR;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ApiTools.UserServer.Application
{
    /// <summary>
    /// 查询渠道用户分页列表数据
    /// </summary>
    public class GetChannelUsersQueryHandler(
            IRepository<User> rep
        ) :
        IRequestHandler<GetChannelUsersQuery, GetChannelUsersQueryResult>
    {
        private readonly IRepository<User> rep = rep;

        public Task<GetChannelUsersQueryResult> Handle(GetChannelUsersQuery request, CancellationToken cancellationToken)
        {
            var q = rep.AsQueryable().AsNoTracking()
                .Where(it => it.Type == EnumUserType.Channel)
                .ProjectToType<GetChannelUsersQueryResultItem>();
            return request.PageModel.GetPagedListAsync<GetChannelUsersQueryResult, GetChannelUsersQueryResultItem>(q, cancellationToken);
        }
    }
}